Overview of nitrogen metabolism with a focus on the disposal of nitrogen through amino acid catabolism. It explains the process of removing the α-amino groups from amino acids, the synthesis of urea, and the conversion of carbon skeletons to energy-producing pathways.

36 views • 65 slides

Amino acids play a crucial role as precursors in various biological processes, serving as building blocks for small molecules like hormones, coenzymes, nucleotides, and more. Glycine, a key amino acid, serves as the major precursor for porphyrins, essential in heme proteins. Understanding the pathwa

0 views • 21 slides

Understanding the process of protein digestion is crucial for optimal nutrient absorption and overall health. In this lecture series by Professor Shraddha Singh, delve into the composition of proteins, the role of enzymes in protein digestion, sites of absorption, molecular basis of protein transpor

1 views • 28 slides

This experiment involves employing color tests to detect specific amino acids like tyrosine and tryptophan in proteins. Various reagents are used to observe distinctive color changes, indicating the presence of these amino acids. Detailed procedures, materials, and results are documented for each te

0 views • 19 slides

Biologically important molecules, such as acids and bases, have significant roles in metabolism. Strong acids like hydrochloric acid ionize completely, while weak acids and bases play crucial regulatory roles. The Bronsted-Lowry theory defines acids as proton donors and bases as proton acceptors. Eq

0 views • 29 slides

The relationship between an organism's DNA and protein specificity is intricate. DNA encodes the information for the sequence of amino acids in proteins, thereby determining their specificity. This process involves DNA directing the synthesis of specific RNA molecules, which are then translated into

0 views • 17 slides

Amino acid catabolism involves removing amino groups via deamination, leading to urea synthesis and TCA cycle intermediates. The process includes transamination and oxidative deamination reactions, with specific aminotransferases catalyzing these reactions. Transamination is a key step in funneling

0 views • 23 slides

Explore the world of proteins with a focus on alternatives to meat-based meals and the concept of complementary proteins. Discover different sources of protein, understand the difference between complete and incomplete proteins, and learn how to combine foods to ensure you're meeting all essential a

0 views • 9 slides

The process of protein digestion involves proteolytic enzymes produced by the stomach, pancreas, and small intestine. Pepsinogen is activated to pepsin in the stomach, breaking down proteins into oligopeptides and amino acids. After absorption, amino acids are utilized for protein synthesis and as d

0 views • 7 slides

Amino acids play a crucial role as building blocks of proteins and can be converted into specialized products. There are 20 common L-α-amino acids found in mammalian proteins, each with a unique structure and classification based on their side chain properties. Amino acids exhibit optical activity,

1 views • 34 slides

Amino acid metabolism involves pathways such as transamination, deamination, and the clinical significance of serum transaminases like ALT and AST. Transamination involves the transfer of amino groups, while deamination involves the removal of the amino group. Transaminases are important intracellul

0 views • 23 slides

Decarboxylation is a crucial reaction in amino acid metabolism where CO2 is removed to form biogenic amines, catalyzed by decarboxylase enzymes. Important biogenic amines include tyramine, tryptamine, and histamine, each impacting physiological functions like blood pressure regulation. Aromatic amin

0 views • 25 slides

Proteins and peptides are composed of 20 common amino acids linked together through peptide bonds. Chains with less than 50 amino acids are known as peptides, while those exceeding 50 are considered proteins.

4 views • 23 slides

Amino acids are essential building blocks of proteins, with only 20 out of the 300 occurring in nature being used for protein synthesis. The structure of amino acids consists of four groups attached to a central carbon atom. At physiological pH, these groups can ionize, forming zwitterions. Amino ac

0 views • 24 slides

Transamination is a vital chemical reaction in biochemistry that transfers amino groups to ketoacids to form new amino acids, playing a crucial role in amino acid metabolism. Enzymes called transaminases facilitate this process, utilizing -ketoglutarate as a key amino group acceptor. The mechanism i

5 views • 17 slides

Amino acids are building blocks of proteins, with distinct structures and properties. There are 20 common amino acids found in mammalian proteins, each with a carboxyl group, an amino group, and a unique side chain. The side chains determine the role of an amino acid in a protein, classified as nonp

8 views • 11 slides

Amino acids are essential building blocks of proteins with unique structures and properties. They contain both carboxyl and amino groups, playing vital roles in metabolism. This article covers their general structure, zwitterion form, isoelectric point, pK values, and classification based on body re

0 views • 24 slides

Explore the world of proteins, from their essential functions in living organisms to the chemistry of amino acids that form them. Learn how proteins are structured, the significance of amide links, and how they are broken down through hydrolysis. Delve into the importance of essential amino acids an

0 views • 17 slides

Meat is a highly nutritious food, rich in high-quality proteins, essential fatty acids, minerals, and B-complex vitamins. This article delves into the proximate composition, caloric value, protein content, essential amino acids, fats, fatty acids, and mineral composition of meat, highlighting its si

0 views • 12 slides

Amino acid absorption in the small intestine is an active process requiring energy derived from ATP hydrolysis. It involves two main mechanisms: carrier proteins transport system and glutathione transport system. The carrier proteins transport system uses ATP energy for absorption, while glutathione

0 views • 18 slides

Amino acids are crucial chemical units that form proteins and play essential roles in the body. They consist of a carboxyl group and an amino group, serving as building blocks and metabolic intermediates. This article covers the general structure, zwitterions, isoelectric point, pK values, and class

0 views • 26 slides

Amino acids, peptides, and proteins are essential components in biological processes. Proteins are polymers made up of amino acid units linked by peptide bonds, while peptides are important in various biological functions. The structure and classification of amino acids play a vital role in the stru

0 views • 15 slides

Proteins play a crucial role in various body structures and functions. The process of translation, as per the central dogma, involves converting genetic information from DNA to functional proteins through transcription and translation. This process includes initiation, elongation, and termination st

1 views • 25 slides

In this lab, you will delve into the qualitative tests for proteins and amino acids, understanding their structures, classifications, and importance in food and human nutrition. The tests include solubility tests and identification tests for both amino acids and proteins, revealing their presence an

0 views • 13 slides

This lab analysis covers qualitative tests for proteins and amino acids, including solubility tests and identification tests for amino acids and proteins. Specific tests like Ninhydrin test for -L amino acids, Xanthoproteic test for aromatic amino acids, and lead sulfite test for sulfhydryl group de

0 views • 13 slides

Qualitative chemical reactions of amino acid protein functional groups involve detecting the presence of peptides (proteins) in a sample through tests like the Biuret test. Different reactions, such as the effect of salt concentration on protein solubility and precipitation of proteins by acids, hel

0 views • 14 slides

This lecture discusses the various amino acidopathies, including phenylketonuria, albinism, alkaptonuria, maple syrup urine disease, and homocystinuria. It covers the metabolic defects in amino acid metabolism, symptoms, causes, and treatment methods for these disorders. Emphasizing the importance o

0 views • 19 slides

Proteins play vital roles in the body as large, complex molecules made up of amino acids. Understanding peptide bonding, levels of protein structure, and forces stabilizing proteins is crucial. Explore how protein misfolding can lead to diseases like Alzheimer's. Learn about the primary structure an

0 views • 26 slides

Beta pleated sheet structure is a secondary structure found in proteins where peptide chains lie side by side to form a flat sheet held together by hydrogen bonds. Proteins like keratin and fibroin exhibit this structure, while denaturation can alter the secondary and tertiary structures of proteins

0 views • 9 slides

To understand proteins' final shape and function, one must grasp the primary, secondary, tertiary, and quaternary structure levels. Proteins, composed of amino acids, fold into various shapes crucial for their roles such as signaling, catalysis, and structure. The primary structure represents the am

0 views • 28 slides

Proteins are vital organic compounds composed of amino acids linked by peptide bonds. They serve various functions in cells, such as enzymes and hormones. Amino acids are the building blocks of proteins, with 20 different types forming all proteins on Earth. Proteins have four levels of structure -

0 views • 12 slides

Amino acids are essential organic molecules that serve as the building blocks of proteins. They contain unique chemical groups and play crucial roles in various bodily functions. This article discusses the structure of amino acids, their different types (D and L), and highlights their importance in

0 views • 11 slides

Explore the concept of conjugate acids and bases in chemistry through definitions, reactions, and examples. Learn how to identify strong and weak acids/bases based on their conjugates and understand the behavior of acids/bases in reverse reactions. Discover the significance of conjugate acids/bases

0 views • 22 slides

Proteins in animal nutrition are classified into two main groups: simple proteins and conjugated proteins. Simple proteins can be further divided into fibrous and globular proteins based on their shape, solubility, and chemical composition. Fibrous proteins, such as collagens, elastin, and keratins,

0 views • 18 slides

Soybean (Glycine max L.) plays a crucial role as a crop in North Carolina, especially for its essential amino acids content critical for human and animal nutrition. This study aims to identify quantitative trait loci (QTL) for essential amino acids in soybean seeds using a genetic map from the Forre

0 views • 4 slides

Titration is a crucial technique used to determine the properties of weak acids and amino acids. This process involves calculating pH values, degree of ionization, and understanding the ionization equilibrium of different acid-base systems. Various examples, including glycine hydrochloride, isoelect

0 views • 15 slides

This chapter delves into the fundamental concepts of acids and bases in chemistry, covering Arrhenius, Bronsted-Lowry, and Lewis definitions. It discusses conjugate acids and bases, acid dissociation, dissociation of strong and weak acids, and the differences between strong and weak acids/bases. The

0 views • 41 slides

Explore the fascinating world of nucleic acids, DNA, RNA, and the genetic code. Discover how the sequence of nucleotides in mRNA translates into amino acids, forming proteins. Learn about codons, ribonucleotides, and the triplet code, and unravel the process of reading the genetic code to determine

0 views • 20 slides

Translation is the process of converting RNA messages into amino acids in cells. This key step in gene expression involves decoding codons, utilizing tRNA as adaptors, and following the genetic code to produce proteins. The shared genetic code, the role of tRNA in carrying amino acids, and the conti

0 views • 10 slides

In molecular biology, understanding nucleic acids like DNA and RNA is crucial for comprehending the central dogma, which explains the flow of genetic information from DNA to RNA to proteins. Nucleic acids are polymers of nucleotides, composed of pentose sugar, nitrogenous bases, and phosphate groups

0 views • 18 slides